CVE-2017-8759 on CISA KEV

Microsoft .NET Framework 2.0, 3.5, 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2 and 4.7 allow an attacker to execute code remotely via a malicious document or application, aka ".NET Framework Remote Code Execution Vulnerability."

01What CISA says about this vulnerability

Microsoft .NET Framework 2.0, 3.5, 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2 and 4.7 allow an attacker to execute code remotely via a malicious document or application, aka ".NET Framework Remote Code Execution Vulnerability."

02Required action — verbatim from CISA

Apply updates per vendor instructions.

03Notes & references

• www.securityfocus.com — http://www.securityfocus.com/bid/100742
• github.com — https://github.com/bhdresh/CVE-2017-8759
• github.com — https://github.com/nccgroup/CVE-2017-8759
• portal.msrc.microsoft.com — https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8759
• www.exploit-db.com — https://www.exploit-db.com/exploits/42711/
• www.securitytracker.com — http://www.securitytracker.com/id/1039324
• github.com — https://github.com/GitHubAssessments/CVE_Assessments_01_2020

04SARA's analyst layer — why this matters

This vulnerability is currently on the CISA KEV list, which CISA only adds CVEs to when there is reliable evidence of active exploitation in the wild. For federal civilian agencies, BOD 22-01 requires remediation by the due date above. For everyone else, KEV is the strongest "patch immediately" signal you can get from public threat intel.

05Affected products (summary)

Vendor	Product	Versions
Microsoft Corporation	Microsoft .NET Framework	Microsoft .NET Framework 2.0, 3.5, 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2 and 4.7

06Detection

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